Internet Bug Bounty: Interger overflow in eval trigger write out of bound

Hi security team, i reported some samples triggered crash in eval funtion in perl. The bug come because variable start and items used type I32 which takes half the range of linet and folds it into negative numbers, leading to trying to store the lines at negative indexes...

librawspeed: Crash in rawspeed::RawImageData::transferBadPixelsToMap

Project: https://github.com/darktable-org/rawspeed.git Detailed report: https://oss-fuzz.com/testcase?key=5981560719278080 Project: librawspeed Fuzzer: libFuzzerlibrawspeedTiffDecoderFuzzer-DngDecoder Fuzz target binary: TiffDecoderFuzzer-DngDecoder Job Type: libfuzzerasanlibrawspeeduntrusted...

Tor Linux Sandbox Breakout Via X11

Tor: Linux sandbox breakout via X11 From inside the Linux sandbox described in https://blog.torproject.org/blog/tor-browser-70-released, it is still possible to talk to the X server without any restrictions. This means that a compromised browser can e.g. use the XTEST X protocol extension at...

llvm: Heap-buffer-overflow in llvm::StringMapImpl::LookupBucketFor

Project: https://github.com/llvm/llvm-project.git Detailed report: https://oss-fuzz.com/testcase?key=5725600348110848 Project: llvm Fuzzer: libFuzzerllvmllvm-dwarfdump-fuzzer Fuzz target binary: llvm-dwarfdump-fuzzer Job Type: libfuzzerasanllvm Platform Id: linux Crash Type: Heap-buffer-overflow...

DJI Launches Drone Bug Bounty Program

The lack of security in commercial drones has been well documented, but one Chinese manufacturer is working to fix that by incentivizing researchers who can poke holes in the software its drones run on. One of the largest unmanned aerial vehicle manufacturers, Dà-Jiāng Innovations Science and...

Internet Bug Bounty: Heap Use After Free Read in unserialize()

ext/standard/varunserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an...

Microsoft Edge Chakra EmitAssignment Register Issue Exploit

Microsoft Edge Chakra has an issue where EmitAssignment uses the "this" register without initializing. Microsoft Edge: Chakra: EmitAssignment uses the "this" register without initializing "EmitAssignment" doesn't call "EmitSuperMethodBegin" that initializes the "this" register for the case when t...

Microsoft Edge Chakra Incorrect Jit Optimization

Microsoft Edge: Chakra: incorrect jit optimization with TypedArray setter 2 CVE-2017-8548 I think the fix for 1045 is incorrect. Here's the original PoC. 'use strict'; function funca, b, c a0 = 1.2; b0 = c; a1 = 2.2; a0 = 2.3023e-320; function main var a = 1.1, 2.2; var b = new Uint32Array100; //...

CVE-2017-12836

CVS 1.12.x, when configured to use SSH for remote repositories, might allow remote attackers to execute arbitrary code via a repository URL with a crafted hostname, as demonstrated by "-oProxyCommand=id;localhost:/bar."...

CVE-2010-3845

libapache-authenhook-perl 2.00-04 stores usernames and passwords in plaintext in the vhost error log...

Internet Bug Bounty: CVE-2017-11367: Global buffer overflow (READ of size 4) in shoco C library

The shocodecompress function in the API in shoco through 2017-07-17 allows remote attackers to cause a denial of service buffer over-read and application crash via malformed compressed data. The vendor has been unresponsive since this was reported in February of 2017. ==19039==ERROR:...

Internet Bug Bounty: PHP OpenSSL zif_openssl_seal() heap overflow (wild memcpy)

Description: A wild memcpy is discovered in the openssl package included in stable PHP release. During parsing a PEM certificate in opensslseal, an invalid key length is produced after parsing, eskl0 value is -1 after the call to EVPSealInit, subsequently causing a heap overflow via a wild memcpy...

cmark: Index-out-of-bounds in S_render_node

Project: https://github.com/jgm/cmark.git https://github.com/commonmark/cmark.git Detailed report: https://oss-fuzz.com/testcase?key=5546760854306816 Project: cmark Fuzzer: libFuzzercmarkfuzzer Fuzz target binary: cmarkfuzzer Job Type: libfuzzerubsancmark Platform Id: linux Crash Type:...

CVE-2017-9935

In LibTIFF 4.0.8, there is a heap-based buffer overflow in the t2pwritepdf function in tools/tiff2pdf.c. This heap overflow could lead to different damages. For example, a crafted TIFF document can lead to an out-of-bounds read in TIFFCleanup, an invalid free in TIFFClose or t2pfree, memory...

gdal: Heap-buffer-overflow in InventoryParseTime

Detailed report: https://oss-fuzz.com/testcase?key=5048248932761600 Project: gdal Fuzzer: libFuzzergdalfuzzer Fuzz target binary: gdalfuzzer Job Type: libfuzzerasangdal Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x602000007cbd Crash State: InventoryParseTime...

CVE-2015-1207

Double-free vulnerability in libavformat/mov.c in FFMPEG in Google Chrome 41.0.2251.0 allows remote attackers to cause a denial of service memory corruption and crash via a crafted .m4a file...

CVE-2017-9405

In ImageMagick 7.0.5-5, the ReadICONImage function in icon.c:452 allows attackers to cause a denial of service memory leak via a crafted file...

gdal: Index-out-of-bounds in nwt_LoadColors

Project: https://github.com/OSGeo/gdal.git Detailed report: https://oss-fuzz.com/testcase?key=5460481571553280 Project: gdal Fuzzer: libFuzzergdalfilesystemfuzzer Fuzz target binary: gdalfilesystemfuzzer Job Type: libfuzzerubsangdal Platform Id: linux Crash Type: Index-out-of-bounds Crash Address...

harfbuzz: Use-of-uninitialized-value in int OT::SortedArrayOf<OT::GlyphID, OT::IntType<unsigned short, 2u> >::bsearch<un

Project: https://github.com/harfbuzz/harfbuzz.git Detailed report: https://oss-fuzz.com/testcase?key=4535496598355968 Project: harfbuzz Fuzzer: libFuzzerharfbuzzhb-fuzzer Fuzz target binary: hb-fuzzer Job Type: libfuzzermsanharfbuzz Platform Id: linux Crash Type: Use-of-uninitialized-value Crash...

kernel: Reachable BUG_ON from userspace in sctp_wait_for_sndbuf

It was reported that with Linux kernel, earlier than version v4.10-rc8, an application may trigger a BUGON in sctpwaitforsndbuf if the socket tx buffer is full, a thread is waiting on it to queue more data, and meanwhile another thread peels off the association being used by the first thread...